CVE-2019-3877

mod_auth_mellon: The mod_auth_mellon module for the Apache HTTP Server is an authentication service that implements the SAML 2.0 feder...

CVE-2019-3877 is fixed in 3 products on 1 platform, first by libapache2-mod-auth-mellon 0.13.1-1ubuntu0.1, released March 21, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.1
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0212
81st percentile

The mod_auth_mellon module for the Apache HTTP Server is an authentication service that implements the SAML 2.0 federation protocol. The module grants access based on the attributes received in assertions generated by an IdP server. Security Fix(es): * mod_auth_mellon: open redirect in logout url when using URLs with backslashes (CVE-2019-3877) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section.

Where it's fixed

ProductFixed inFixReleased
Linux
libapache2-mod-auth-mellon · Ubuntu 18.04.6 LTS (bionic) 0.13.1-1ubuntu0.1 libapache2-mod-auth-mellon 0.13.1-1ubuntu0.1 Mar 21, 2019
libapache2-mod-auth-mellon · Ubuntu 20.04 LTS (focal) 0.14.2-1ubuntu1 libapache2-mod-auth-mellon 0.14.2-1ubuntu1 Mar 21, 2019
mod_auth_mellon · RHEL 8 0:0.14.0-9.el8 RHSA-2019:3421 Nov 5, 2019
mod_auth_mellon · ol 8 0:0.14.0-9.el8 ELSA-2019-3421 Nov 14, 2019
mod_auth_mellon-diagnostics · RHEL 8 0:0.14.0-9.el8 RHSA-2019:3421 Nov 5, 2019
mod_auth_mellon-diagnostics · ol 8 0:0.14.0-9.el8 ELSA-2019-3421 Nov 14, 2019

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